Chadrick Fulks v. T. Watson ( 2021 )


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  •                                In the
    United States Court of Appeals
    For the Seventh Circuit
    ____________________
    No. 20-1900
    CHADRICK FULKS,
    Petitioner-Appellant,
    v.
    T.J. WATSON, Warden,
    Respondent-Appellee.
    ____________________
    Appeal from the United States District Court for the
    Southern District of Indiana, Terre Haute Division.
    No. 2:15-cv-00033 — James R. Sweeney, II, Judge.
    ____________________
    ARGUED JUNE 7, 2021 — DECIDED JULY 19, 2021
    ____________________
    Before ROVNER, HAMILTON, and SCUDDER, Circuit Judges.
    SCUDDER, Circuit Judge. Chadrick Fulks sits on federal
    death row for his role in the 2002 carjacking, kidnapping, and
    killing of Alice Donovan. He committed these crimes with
    Brandon Basham after they escaped together from a Kentucky
    jail. On two prior occasions—first, in his direct appeal and
    then, in a postconviction petition under 
    28 U.S.C. § 2255
    —
    Fulks challenged his capital sentence without success. Many
    years later, he returned to the district court with a new request
    2                                                   No. 20-1900
    for relief, this time invoking 
    28 U.S.C. § 2241
     and the Supreme
    Court’s decision in Atkins v. Virginia, and arguing that recent
    changes in clinical diagnostic standards show that he is (and
    since at least age 18 has been) intellectually disabled and inel-
    igible for the death penalty. The district court concluded that
    Fulks cannot now pursue his Atkins claim under § 2241 and
    dismissed the petition. Guided in large measure by our recent
    decision in Bourgeois v. Watson, we agree and affirm.
    I
    A
    In 2004 Chadrick Fulks pleaded guilty in the District of
    South Carolina to eight federal charges—including two
    death-eligible offenses—arising from the carjacking, kidnap-
    ping, and death of Alice Donovan. The district court then em-
    paneled a jury to consider whether to impose the death pen-
    alty. See 
    18 U.S.C. § 3593
    (b)(2)(A).
    Fulks advanced a mitigation defense grounded in his
    mental deficiencies and troubled childhood. His legal team,
    the district court later observed, “painted a compelling and
    empathetic picture of a young Chad Fulks growing up in
    poor, crowded, filthy, and deplorable living conditions,
    raised by violently abusive, sexually deviant, emotionally ne-
    glectful, and alcoholic parents who did not appear to care at
    all about their children’s well being.” Fulks v. United States,
    
    875 F. Supp. 2d 535
    , 568 (D.S.C. 2010). His defense counsel
    hired or consulted at least 11 experts, six of whom testified
    and explained, among other things, that Fulks suffered from
    borderline intelligence with IQ scores ranging from 75 to 79,
    along with moderate brain and cognitive impairments. See 
    id.
    at 555–56, 558. But Fulks stopped short of arguing that he was
    No. 20-1900                                                      3
    intellectually disabled and thereby ineligible for the death
    penalty under Atkins v. Virginia, 
    536 U.S. 304
     (2002).
    The jury unanimously recommended, and the district
    court in turn imposed, two death sentences—one each for
    Fulks’s convictions of carjacking and kidnapping that re-
    sulted in Donovan’s death. The Fourth Circuit affirmed the
    death sentences on direct appeal and the Supreme Court de-
    clined review. See United States v. Fulks, 
    454 F.3d 410
     (4th Cir.
    2006), cert. denied, 
    551 U.S. 1147
     (2007) (mem.).
    In 2008 Fulks returned to the district court in South Caro-
    lina and filed a motion to vacate his death sentences under
    
    28 U.S.C. § 2255
    . He raised 33 claims, including allegations
    that trial counsel rendered ineffective assistance by failing to
    call additional mental health experts as part of his mitigation
    defense. But once again, Fulks did not raise an intellectual dis-
    ability claim under Atkins, nor did he assert that his attorneys
    provided ineffective assistance by failing to raise such a claim.
    The district court held an evidentiary hearing and denied
    Fulks’s petition but issued a certificate of appealability. The
    Fourth Circuit affirmed the denial of § 2255 relief, and the Su-
    preme Court again denied a writ of certiorari. See United
    States v. Fulks, 
    683 F.3d 512
     (4th Cir. 2012), cert. denied,
    
    571 U.S. 941
     (2013) (mem.).
    B
    This procedural history brings us to Fulks’s most recent
    request for relief. In 2015 he filed a pro se petition for a writ of
    habeas corpus under 
    28 U.S.C. § 2241
     in the Southern District
    of Indiana, where he remains incarcerated at the U.S. Peniten-
    tiary in Terre Haute. After the district court appointed counsel
    to represent him, Fulks amended his habeas petition in 2019
    4                                                    No. 20-1900
    advancing two claims. He claimed for the first time that he is
    intellectually disabled under current medical diagnostic and
    legal standards. He also contended that, even if he cannot
    meet the precise criteria for intellectual disability, he is func-
    tionally intellectually disabled and therefore ineligible for ex-
    ecution under the Supreme Court’s decision and reasoning in
    Madison v. Alabama, 
    139 S. Ct. 718
     (2019). Fulks supported his
    petition with a report from a neuropsychologist, Barry
    Crown, who evaluated him in April 2018 and diagnosed him
    as intellectually disabled under current clinical standards.
    Fulks asserted that the law allowed him to raise his intel-
    lectual disability claims in a § 2241 petition because § 2255
    was “inadequate or ineffective to test the legality of his deten-
    tion.” 
    28 U.S.C. § 2255
    (e). In Fulks’s view, because his claims
    rested on new legal and factual bases unavailable to him at
    the time of his sentencing and § 2255 petition, he could seek
    relief under § 2241. More specifically, Fulks relied on the Su-
    preme Court’s decisions in Hall v. Florida, 
    572 U.S. 701
     (2014),
    Moore v. Texas (Moore I), 
    137 S. Ct. 1039
     (2017), and Madison,
    
    139 S. Ct. 718
     (2019)—all decided after the denial of his first
    § 2255 petition. Fulks also emphasized that his Atkins claim
    roots itself in the 2012 and 2013 updates to the User’s Guide
    to Intellectual Disability: Definition, Classification, and Sys-
    tems of Supports, 11th Edition (AAIDD–2012), a manual from
    the American Association on Intellectual and Developmental
    Disabilities, and the American Psychiatric Association’s Diag-
    nostic and Statistical Manual of Mental Disorders, 5th Edition
    (DSM–5).
    C
    The district court denied Fulks’s § 2241 petition as proce-
    durally barred by 
    28 U.S.C. § 2255
    (e)—a provision
    No. 20-1900                                                    5
    prohibiting petitioners from seeking habeas relief under
    § 2241 unless it appears that § 2255 “is inadequate or ineffec-
    tive to test the legality of [the] detention.” The district court
    concluded that because Fulks failed to show a structural prob-
    lem with § 2255, he could not use § 2241 to raise his Atkins
    claim. Relying on our decision in Webster v. Daniels, 
    784 F.3d 1123
    , 1136 (7th Cir. 2015) (en banc), the district court ex-
    plained that something more than an anticipated lack of suc-
    cess with a § 2255 motion is required to satisfy the savings
    clause. And as the district court emphasized, Fulks had a fair
    opportunity to raise an Atkins claim in his initial § 2255 pro-
    ceeding but did not do so.
    Fulks now appeals.
    II
    A
    In most cases, 
    28 U.S.C. § 2255
     supplies the exclusive post-
    conviction means for federal prisoners to challenge their sen-
    tences. “Strict procedures govern” these motions. Purkey v.
    United States, 
    964 F.3d 603
    , 611 (7th Cir. 2020), cert. denied,
    
    141 S. Ct. 196
     (2020). Most relevant to this appeal, the statute
    limits a federal prisoner to a single attempt at filing a § 2255
    motion unless the appropriate court of appeals grants permis-
    sion to file a “second or successive motion.” 
    28 U.S.C. § 2255
    (h). But that permission can come only if the motion
    contains “newly discovered evidence that, if proven and
    viewed in light of the evidence as a whole, would be sufficient
    to establish by clear and convincing evidence that no reason-
    able factfinder would have found the movant guilty of the of-
    fense,” or “a new rule of constitutional law, made retroactive
    6                                                  No. 20-1900
    to cases on collateral review by the Supreme Court, that was
    previously unavailable.” 
    Id.
     § 2255(h)(1)–(2).
    Fulks concedes that his Atkins claim does not satisfy either
    of these exceptions. This acknowledgement explains why he
    filed his petition under 
    28 U.S.C. § 2241
     and invoked the so-
    called savings clause in § 2255(e)—a narrow pathway of last
    resort for prisoners to seek postconviction relief through the
    general federal habeas corpus statute codified in § 2241.
    The savings clause provides:
    An application for a writ of habeas corpus in be-
    half of a prisoner who is authorized to apply for
    relief by motion pursuant to this section, shall
    not be entertained if it appears that the appli-
    cant has failed to apply for relief, by motion, to
    the court which sentenced him, or that such
    court has denied him relief, unless it also ap-
    pears that the remedy by motion is inadequate or
    ineffective to test the legality of his detention.
    
    28 U.S.C. § 2255
    (e) (emphasis added). The crucial point, clear
    from the text of the savings clause, is that Congress hinged
    access to § 2241 upon a showing that § 2255 is “inadequate”
    or “ineffective.”
    To date, we have identified three situations in which the
    remedy provided by § 2255 proved inadequate or ineffective.
    See In re Davenport, 
    147 F.3d 605
     (7th Cir. 1998) (involving a
    claim alleging a miscarriage of justice and based upon a new
    rule of statutory interpretation made retroactive by the Su-
    preme Court); Garza v. Lappin, 
    253 F.3d 918
     (7th Cir. 2001) (in-
    volving a claim based on the ruling of an international tribu-
    nal issued after the prisoner’s first round of § 2255 relief);
    No. 20-1900                                                   7
    Webster, 
    784 F.3d 1123
     (involving a claim that relied on new
    evidence that existed but was allegedly unavailable at trial de-
    spite counsel’s diligent efforts, and where that new evidence
    could show that the petitioner had long been intellectually
    disabled); see also Purkey, 964 F.3d at 611–14 (providing a ful-
    some explanation of these central cases).
    We explained in Purkey and reiterate today that our deci-
    sions in Davenport, Garza, and Webster do not “create rigid cat-
    egories delineating when the [savings clause] is available.”
    964 F.3d at 614. But we also underscored that “the words ‘in-
    adequate’ or ‘ineffective,’ taken in context, must mean some-
    thing more than unsuccessful.” Id. at 615. Rather, “there must
    be a compelling showing that, as a practical matter, it would
    be impossible to use section 2255 to cure a fundamental prob-
    lem.” Id. (emphasis added). In short, a petitioner must iden-
    tify “some kind of structural problem with section 2255 before
    section 2241 becomes available.” Webster, 784 F.3d at 1136.
    B
    Fulks posits that he can channel his Atkins claim through
    the savings clause because the recent adjustments to today’s
    legal and clinical diagnostic standards came after his sentenc-
    ing and § 2255 petition, meaning he could not have pursued
    or prevailed on his intellectual disability claim until now.
    Evaluating this contention requires consideration of how the
    law and clinical standards have evolved over the last 20 years.
    We begin with Atkins, where the Supreme Court held that
    the Eighth Amendment prohibits the execution of intellectu-
    ally disabled persons. See 
    536 U.S. at 321
    . The Court’s analysis
    drew upon clinical definitions of intellectual disability, which
    “require[d] not only subaverage intellectual functioning, but
    8                                                  No. 20-1900
    also significant limitations in adaptive skills such as commu-
    nication, self-care, and self-direction that became manifest be-
    fore age 18.” 
    Id. at 318
    .
    The Supreme Court refined the Atkins analysis 12 years
    later in Hall, striking down a Florida law that prohibited a
    finding of intellectual disability if a person’s IQ score ex-
    ceeded 70. See 
    572 U.S. 701
    . The Court concluded that such a
    rigid cutoff created an unacceptable risk that an intellectually
    disabled person would be executed. See 
    id. at 704
    . Along the
    way the Court reaffirmed Atkins’s teaching that courts are to
    be “informed by the work of medical experts in determining
    intellectual disability.” 
    Id. at 710
    .
    Taking into account the newly available DSM–5 and build-
    ing on Atkins, the Hall Court reiterated that “the medical com-
    munity defines intellectual disability according to three crite-
    ria: significantly subaverage intellectual functioning, deficits
    in adaptive functioning (the inability to learn basic skills and
    adjust behavior to changing circumstances), and onset of
    these deficits during the developmental period.” 
    Id. at 710
    . Be-
    cause IQ tests entail certain imprecision, the Court further in-
    structed that “when a defendant’s IQ test score falls within
    the test’s acknowledged and inherent margin of error, the de-
    fendant must be able to present additional evidence of intel-
    lectual disability, including testimony regarding adaptive
    deficits.” 
    Id. at 723
    .
    The Supreme Court returned to the Atkins standard three
    years later in Moore I, holding that the Texas Court of Criminal
    Appeals erred by disregarding the medical community’s cur-
    rent definition of intellectual disability. See 
    137 S. Ct. 1039
    .
    The proper Atkins inquiry, the Court clarified, must follow the
    medical community’s current diagnostic standards, not
    No. 20-1900                                                     9
    outdated frameworks, judicially crafted factors, or layman’s
    stereotypes. See 
    id.
     at 1051–53. Because the margin of error for
    Bobby Moore’s IQ score of 74 yielded a range of 69 to 79—
    therefore allowing the possibility of a true IQ below 70—the
    Texas court, in evaluating whether Moore was intellectually
    disabled, “had to move on to consider Moore’s adaptive func-
    tioning.” 
    Id. at 1049
    .
    Moore’s case returned to the Supreme Court in 2019 after
    the Texas court, on remand, once again rejected his claim of
    intellectual disability. See Moore v. Texas (Moore II), 
    139 S. Ct. 666
     (2019) (per curiam). The Supreme Court again reversed,
    concluding the Texas court repeated many of the same errors
    decried in Moore I and ultimately finding that Moore was in-
    deed intellectually disabled. See 
    id.
     at 670–72.
    The Supreme Court’s decisions in Hall, Moore I, and Moore
    II recognized that the medical diagnostic standards have not
    stood still since Atkins. And as the Court underscored in Moore
    I, intellectual disability determinations “must be ‘informed by
    the medical community’s diagnostic framework.’” 
    137 S. Ct. at 1048
     (quoting Hall, 572 U.S. at 721). Updated editions of the
    leading diagnostic manuals—the AAIDD–2012 and the DSM–
    5, issued in 2012 and 2013 respectively—superseded earlier
    versions governing at the time of Fulks’s sentencing and ini-
    tial § 2255 motion. Fulks’s newly asserted claim that he is in-
    tellectually disabled anchors itself in the modifications to the
    diagnostic standards.
    Compared to the prior edition, the DSM–5 places en-
    hanced emphasis on the need to assess both cognitive capac-
    ity and adaptive functioning. The AAIDD–2012 and DSM–5
    also now include express recommendations for certain con-
    siderations when measuring intellectual disability: evaluators
    10                                                  No. 20-1900
    should base diagnoses on both a clinical assessment and
    standardized testing, should not rely on stereotypes about in-
    tellectually disabled people, and may adjust IQ scores for the
    so-called Flynn effect. See McManus v. Neal, 
    779 F.3d 634
    , 652–
    53, 653 n.6 (7th Cir. 2015) (citing James R. Flynn, The Mean IQ
    of Americans: Massive Gains 1932 to 1978, 95 PSYCH. BULL. 29,
    32–34 (1984)) (explaining the Flynn effect as a testing phenom-
    enon where IQ scores increase on average 0.3 points per year
    from the time the test was standardized, but reasoning that
    the Atkins standard does not require adjusting IQ scores for
    this effect).
    III
    A
    All of this background brings us to Fulks’s § 2241 petition.
    He opted for this procedural route to raise an Atkins claim be-
    cause he did not meet the narrow requirements for filing a
    second or successive § 2255 petition. See 
    28 U.S.C. § 2255
    (h).
    But Fulks cannot satisfy the saving clause’s requirements ei-
    ther, and this deficiency stops his § 2241 petition in its tracks.
    We reached the same conclusion on similar facts less than a
    year ago in the capital case of Alfred Bourgeois. See Bourgeois
    v. Watson, 
    977 F.3d 620
     (7th Cir. 2020). We chart the same
    course today.
    To begin, “Atkins was the watershed case on intellectual
    disability” decided by the Supreme Court in 2004—years be-
    fore Fulks filed his § 2255 motion in 2008. Id. at 636. Fulks
    could have raised substantially the same argument he brings
    now—that he is intellectually disabled—in his initial § 2255
    petition. But he did not do so, ostensibly because he believed
    No. 20-1900                                                    11
    he would not have prevailed under the legal landscape and
    clinical diagnostic standards in effect at that time.
    The probability that Fulks would not have prevailed on his
    Atkins claim in 2008 does not mean or show that § 2255 was
    inadequate or ineffective. We made this exact point in Purkey,
    reinforcing that “the words ‘inadequate or ineffective’ taken
    in context, must mean something more than unsuccessful.”
    964 F.3d at 615. Indeed, we have insisted, time and again, that
    satisfying the savings clause in § 2255(e) demands “a compel-
    ling showing that, as a practical matter, it would be impossi-
    ble to use section 2255 to cure a fundamental problem.” Id.;
    see, e.g., Higgs v. Watson, 
    984 F.3d 1235
     (7th Cir. 2021) (apply-
    ing the savings clause analysis to a capital defendant’s habeas
    petition and concluding he could not satisfy § 2255(e)’s de-
    manding requirements); Bourgeois, 
    977 F.3d 620
     (same); Lee v.
    Watson, 
    964 F.3d 663
     (7th Cir. 2020) (same). Right to it, “[i]t is
    not enough that proper use of the statute results in denial of
    relief.” Purkey, 964 F.3d at 615.
    Updates to the legal and diagnostic standards, which may
    now provide Fulks a stronger basis to prove an intellectual
    disability, do not expose any structural defect in § 2255. On
    the legal front, Hall, Moore I, and Moore II did not alter the law
    of intellectual disability to such a great extent that the remedy
    by a § 2255 motion was inadequate or ineffective to test the
    legality of Fulks’s death sentence at the time he filed his peti-
    tion in 2008. Although the Supreme Court in Atkins did not
    prescribe a specific test for determining when a person is in-
    tellectually disabled, it did rely on clinical definitions requir-
    ing both subaverage intellectual functioning and significant
    limitations in adaptive skills that manifest before age 18—the
    same three requirements governing the standard today. See
    12                                                  No. 20-1900
    Atkins, 
    536 U.S. at 318
    . The trilogy of cases that followed—
    Hall, Moore I, and Moore II—each represent course corrections
    to state-court applications of Atkins that “further elaborated
    on the measurements of intellectual function and the evalua-
    tion of adaptive deficits.” Bourgeois, 977 F.3d at 636. With or
    without that trio, Fulks could have raised the same Atkins
    claim in his initial § 2255 motion.
    Nothing in the Supreme Court’s jurisprudence prohibit-
    ing the execution of intellectually disabled persons, moreo-
    ver, suggests that a capital prisoner seeking to raise an Atkins
    claim is exempt from the procedural limitations in § 2255. Nor
    do Hall, Moore I, or Moore II create “new rule[s] of constitu-
    tional law, made retroactive to cases on collateral review by
    the Supreme Court,” that would permit a second or succes-
    sive motion under § 2255(h)(2). The observation that Hall,
    Moore I, and Moore II refined the application of Atkins is not
    enough to satisfy the savings clause in the circumstances be-
    fore us here.
    So, too, on the clinical front. Updates to the clinical diag-
    nostic standards for intellectual disability likewise do not con-
    vince us that the remedy available to Fulks in his original
    § 2255 motion was inadequate or ineffective. To be sure, Fulks
    may have a marginally stronger case of proving intellectual
    disability under today’s standards. Under the DSM–5, for ex-
    ample, Fulks’s Flynn-adjusted IQ scores of 75, 76, and 77
    could satisfy the first prong of showing intellectual disabil-
    ity—subaverage intellectual functioning—because scores up
    to 75 fall within the range for an intellectual disability. And
    whereas no expert diagnosed Fulks as intellectually disabled
    at sentencing or in his initial § 2255 motion, neuropsycholo-
    gist Barry Crown concluded in 2018 that Fulks is intellectually
    No. 20-1900                                                     13
    disabled under these updated standards—although he
    stopped short of saying that Fulks was not intellectually disa-
    bled under the older standards.
    Regardless, these recent updates to the AAIDD–2012 and
    DSM–5 fail to reveal anything inadequate or ineffective about
    § 2255 that made it impossible for Fulks to pursue an Atkins
    claim in his initial postconviction motion. See Bourgeois,
    977 F.3d at 636 (rejecting this same argument and explaining
    “the savings clause does not apply every time … the medical
    community updates its diagnostic standards”). Fulks sought
    at sentencing to avoid the death penalty by relying on his cog-
    nitive impairments and fetal alcohol spectrum disorder—ow-
    ing in no small part to his horrific upbringing—and he had
    every opportunity to take the next step and argue, whether
    measured more functionally or under a strict application of
    clinical standards (or both), that he was intellectually disa-
    bled.
    Fulks begs to differ, insisting that any Atkins claim would
    have been futile when he filed his § 2255 petition in 2008, be-
    cause the Fourth Circuit at that time employed standards for
    assessing intellectual disability that were later rejected in Hall,
    Moore I, and Moore II.
    We disagree. Fulks’s Atkins claim was not so squarely fore-
    closed by Fourth Circuit precedent that it would have been
    impossible or altogether futile for him to raise this claim dur-
    ing his first round of postconviction relief. To the contrary, the
    Fourth Circuit cases that Fulks identifies reflect specific appli-
    cations of differing state-law intellectual disability standards
    to various capital defendants through the deferential lens of
    federal habeas review. See, e.g., Richardson v. Branker, 
    668 F.3d 128
     (4th Cir. 2012) (applying North Carolina’s standard for
    14                                                   No. 20-1900
    intellectual disability to a § 2254 motion and concluding the
    state court’s decision was not based on an unreasonable de-
    termination of the facts); Walker v. Kelly, 
    593 F.3d 319
     (4th Cir.
    2010) (applying Virginia’s definition for intellectual disability
    to a § 2254 petition and holding the district court did not
    clearly err in finding the petitioner was not intellectually dis-
    abled); Green v. Johnson, 
    515 F.3d 290
     (4th Cir. 2008) (applying
    Virginia law and concluding the Virginia Supreme Court did
    not apply Atkins in an objectively unreasonable manner).
    By our reading, though, not one of these cases suggests
    that the legal and diagnostic standards recognized in Atkins
    were etched in stone or would render frivolous any argu-
    ments for adapting the legal framework to include updated
    clinical standards about intellectual disability. To the con-
    trary, in a 2004 case, the Fourth Circuit did not question the
    district court’s reliance on a clinical standard established by
    the American Association on Retardation that an IQ of 75 or
    below placed an individual in the intellectually disabled cat-
    egory—thereby showing amenability to an argument that
    Fulks, with an IQ score of 75, is likewise intellectually disa-
    bled. See United States v. Roane, 
    378 F.3d 382
     (4th Cir. 2004)
    (affirming the district court’s rejection of an Atkins claim in a
    § 2255 motion).
    Our point with all of this is to say that we are aware of no
    Supreme Court or Fourth Circuit case on the books at the time
    of Fulks’s § 2255 petition that would have foreclosed him
    from raising an arguable Atkins claim. In the end, then, we are
    unable to identify any structural defect in § 2255 that ren-
    dered it an inadequate or ineffective device to challenge his
    capital sentence. The consequence is that Fulks cannot use
    No. 20-1900                                                    15
    § 2241 to claim for the first time that he is ineligible for the
    death penalty under Atkins.
    B
    Fulks invokes a second ground for habeas relief by relying
    on the Supreme Court’s 2019 decision in Madison v. Alabama.
    See 
    139 S. Ct. 718
    . But Madison has no import to Fulks’s intel-
    lectual disability claim.
    Madison falls in the line of cases stemming from Ford v.
    Wainwright, 
    477 U.S. 399
     (1986), and Panetti v. Quarterman,
    
    551 U.S. 930
     (2007), in which the Court held that the Eighth
    Amendment prohibits executing an insane prisoner—mean-
    ing one who lacks a “rational understanding” of the reason
    for his execution. See Panetti, 
    551 U.S. at
    958–60; Ford, 
    477 U.S. at
    409–10. This prohibition on carrying out a death sentence is
    distinct from the holding in Atkins, which bars the imposition
    of a capital sentence in the first place. Compare Ford, 
    477 U.S. at 410
    , with Atkins, 
    536 U.S. at 321
    . Part of this distinction
    arises from the fact that a prisoner may become insane after
    being sentenced to death, whereas intellectual disability must
    manifest before age 18, such that the capital sentence cannot
    ever be imposed consistent with the Eighth Amendment. See
    Davis v. Kelley, 
    854 F.3d 967
    , 971 (8th Cir. 2017).
    Although defendants in Ford and Panetti suffered from
    paranoid schizophrenia and extreme psychosis, the Court
    took the next step in Madison by clarifying that a delusional
    disorder is not a prerequisite to relief from execution. See
    Madison, 
    139 S. Ct. at 728
    . The Court instead emphasized that
    it is “not the diagnosis of [a particular mental] illness, but a
    consequence—to wit, the prisoner’s inability to rationally un-
    derstand his punishment” that governs the inquiry. 
    Id.
    16                                                   No. 20-1900
    Fulks sees Madison as a newly recognized functional ap-
    plication of the Eighth Amendment that should apply equally
    to his Atkins claim. Put another way, he believes Madison al-
    lows him to contend that his limitations are functionally
    equivalent to those of an intellectually disabled person, mak-
    ing him ineligible for the death penalty even if he does not
    meet the technical diagnostic criteria for an intellectual disa-
    bility. Going further, Fulks adds that Madison provides him a
    new ground for relief that was previously unavailable when
    he filed his initial § 2255 petition, thereby entitling him to pur-
    sue his claim under § 2241.
    Not so in our view. In all practical respects, Fulks’s Madi-
    son claim is the same as his Atkins claim: the crux of his con-
    tention remains that he is intellectually disabled and thus in-
    eligible for a capital sentence. No aspect of Madison changes
    the reality that he could have raised this Atkins claim during
    his first round of postconviction relief under § 2255.
    Our conclusion finds reinforcement in Fulks’s own insist-
    ence that his Madison-based claim is an Atkins claim, not a Ford
    claim. And for good reason, as Ford claims ripen only once a
    prisoner’s execution is imminent, and so far, the Executive
    Branch has not scheduled Fulks’s execution. See Holmes v.
    Neal, 
    816 F.3d 949
    , 954 (7th Cir. 2016); see also Stewart v. Mar-
    tinez-Villareal, 
    523 U.S. 637
    , 644–45 (1998).
    IV
    Today’s decision is surely not our last word on the savings
    clause. If our prior cases show anything, it is the immense
    complexity in identifying the contours of the savings clause
    and its proper scope, including in capital litigation. See, e.g.,
    Higgs, 
    984 F.3d 1235
     (analyzing the savings clause in a capital
    No. 20-1900                                                     17
    case); Bourgeois, 
    977 F.3d 620
     (same); Lee, 
    964 F.3d 663
     (same);
    Purkey, 
    964 F.3d 603
     (same); Webster, 
    784 F.3d 1123
     (same).
    Although Fulks has not prevailed today and cannot access
    § 2241 through the savings clause, he has identified—through
    the assistance of very able counsel—a potential structural lim-
    itation that may require additional assessment in a future
    case. The difficult question on the horizon is whether a capital
    prisoner can access § 2241 to vacate a death sentence in the
    face of a monumental change to the clinical definition of intel-
    lectual disability that occurs after the prisoner completed one
    round of § 2255 proceedings. Assuming a substantial change
    in the clinical standards allows a newfound diagnosis of in-
    tellectual disability, his execution would offend the Eighth
    Amendment. But the prisoner would have no way to raise his
    Atkins claim as a second or successive motion under
    § 2255(h)’s two express exceptions.
    Identifying this issue is much easier than resolving it. And
    Fulks’s appeal does not require us to take that second step. It
    is enough for us to observe that there is a serious question
    whether § 2255 is inadequate or ineffective when a sea change
    in clinical standards would allow a prisoner to make a sub-
    stantial showing of intellectual disability that, despite all dili-
    gence, he could not have raised previously. Nor must we de-
    cide today how much evidence a prisoner would need to pre-
    sent to receive an evidentiary hearing and relief under § 2241
    for such an Atkins claim. Cf. Herrera v. Collins, 
    506 U.S. 390
    ,
    417 (1993) (assuming in another context “that in a capital case
    a truly persuasive demonstration of ‘actual innocence’ made af-
    ter trial would render the execution of a defendant unconsti-
    tutional, and warrant federal habeas relief if there were no
    18                                                No. 20-1900
    state avenue open to process such a claim” (emphasis
    added)).
    Fulks and his counsel had the necessary facts and every
    opportunity to present an Atkins claim—but did not pursue it
    during sentencing, on direct appeal, or in his § 2255 petition.
    And the subsequent changes in the DSM–5 and the AAIDD–
    2012 do not amount to the kind of substantial change neces-
    sary to present a close question of whether the savings clause
    could potentially apply. So we can save for another day diffi-
    cult questions that lurk in our savings clause jurisprudence.
    For all of these reasons, we AFFIRM.